boiler

noun

boil·​er ˈbȯi-lər How to pronounce boiler (audio)
1
: one that boils
2
a
: a vessel used for boiling
b
: the part of a steam generator in which water is converted into steam and which consists usually of metal shells and tubes
c
: a tank in which water is heated or hot water is stored
d
chiefly British : furnace

Examples of boiler in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This happens not in the open but in boilers and combustion chambers. Daniel Immerwahr, The New Yorker, 14 Jan. 2025 Many were killed instantly by the explosion, fire, falling timbers, shrapnel and searing steam from the boilers, and many by drowning. arkansasonline.com, 28 Dec. 2024 If Trump's tariffs are imposed, U.S. industries will face higher costs for equipment, such as industrial machinery, boilers and electrical equipment. Martha McHardy, Newsweek, 26 Nov. 2024 To comply with the regulations, many building owners will have to replace existing fossil fuel appliances, such as gas furnaces and boilers, with electric alternatives, such as heat pumps and water heaters. Christine Condon, Baltimore Sun, 15 Jan. 2025 See all Example Sentences for boiler 

Word History

First Known Use

circa 1540, in the meaning defined at sense 1

Time Traveler
The first known use of boiler was circa 1540

Dictionary Entries Near boiler

Cite this Entry

“Boiler.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/boiler. Accessed 11 Feb. 2025.

Kids Definition

boiler

noun
boil·​er ˈbȯi-lər How to pronounce boiler (audio)
1
: a container in which something is boiled
2
: a strong metal container used in making steam
3
: a tank in which water is heated or hot water is stored

More from Merriam-Webster on boiler

Last Updated: - Updated example sentences
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